Attaches a memory segment previously opened with PR_OpenSharedMemory
and maps it into the process memory space.
Syntax
#include <prshm.h>
NSPR_API( void * ) PR_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags ); /* Define values for PR_AttachSharedMemory(...,flags) */ #define PR_SHM_READONLY 0x01
Parameters
The function has these parameters:
- shm
- The handle returned from
PR_OpenSharedMemory
. - flags
- Options for mapping the shared memory.
PR_SHM_READONLY
causes the memory to be attached read-only.
Returns
Address where shared memory is mapped, or NULL
if an error occurs. Retrieve the reason for the failure by calling PR_GetError
and PR_GetOSError
.